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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/s390/include/asm/maccess.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/include/asm/maccess.h')
-rw-r--r--arch/s390/include/asm/maccess.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/s390/include/asm/maccess.h b/arch/s390/include/asm/maccess.h
new file mode 100644
index 0000000000..50225940d9
--- /dev/null
+++ b/arch/s390/include/asm/maccess.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_S390_MACCESS_H
+#define __ASM_S390_MACCESS_H
+
+#include <linux/types.h>
+
+#define MEMCPY_REAL_SIZE PAGE_SIZE
+#define MEMCPY_REAL_MASK PAGE_MASK
+
+struct iov_iter;
+
+extern unsigned long __memcpy_real_area;
+extern pte_t *memcpy_real_ptep;
+size_t memcpy_real_iter(struct iov_iter *iter, unsigned long src, size_t count);
+int memcpy_real(void *dest, unsigned long src, size_t count);
+#ifdef CONFIG_CRASH_DUMP
+int copy_oldmem_kernel(void *dst, unsigned long src, size_t count);
+#endif
+
+#endif /* __ASM_S390_MACCESS_H */